Remove make preinstall

A speciality of the RTEMS build system was the make preinstall step.  It
copied header files from arbitrary locations into the build tree.  The
header files were included via the -Bsome/build/tree/path GCC command
line option.

This has at least seven problems:

* The make preinstall step itself needs time and disk space.

* Errors in header files show up in the build tree copy.  This makes it
  hard for editors to open the right file to fix the error.

* There is no clear relationship between source and build tree header
  files.  This makes an audit of the build process difficult.

* The visibility of all header files in the build tree makes it
  difficult to enforce API barriers.  For example it is discouraged to
  use BSP-specifics in the cpukit.

* An introduction of a new build system is difficult.

* Include paths specified by the -B option are system headers.  This
  may suppress warnings.

* The parallel build had sporadic failures on some hosts.

This patch removes the make preinstall step.   All installed header
files are moved to dedicated include directories in the source tree.
Let @RTEMS_CPU@ be the target architecture, e.g. arm, powerpc, sparc,
etc.  Let @RTEMS_BSP_FAMILIY@ be a BSP family base directory, e.g.
erc32, imx, qoriq, etc.

The new cpukit include directories are:

* cpukit/include

* cpukit/score/cpu/@RTEMS_CPU@/include

* cpukit/libnetworking

The new BSP include directories are:

* bsps/include

* bsps/@RTEMS_CPU@/include

* bsps/@RTEMS_CPU@/@RTEMS_BSP_FAMILIY@/include

There are build tree include directories for generated files.

The include directory order favours the most general header file, e.g.
it is not possible to override general header files via the include path
order.

The "bootstrap -p" option was removed.  The new "bootstrap -H" option
should be used to regenerate the "headers.am" files.

Update #3254.

1 files changed, 127 insertions, 0 deletions

diff --git a/cpukit/include/rtems/score/schedulersmp.h b/cpukit/include/rtems/score/schedulersmp.h
new file mode 100644
index 0000000000..0bd899a6a6
--- /dev/null
+++ b/cpukit/include/rtems/score/schedulersmp.h
@@ -0,0 +1,127 @@
+/**
+ * @file
+ *
+ * @brief SMP Scheduler API
+ *
+ * @ingroup ScoreSchedulerSMP
+ */
+
+/*
+ * Copyright (c) 2013-2014 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_SCORE_SCHEDULERSMP_H
+#define _RTEMS_SCORE_SCHEDULERSMP_H
+
+#include <rtems/score/chain.h>
+#include <rtems/score/scheduler.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @defgroup ScoreSchedulerSMP SMP Scheduler
+ *
+ * @ingroup ScoreScheduler
+ *
+ * @{
+ */
+
+/**
+ * @brief Scheduler context specialization for SMP schedulers.
+ */
+typedef struct {
+  /**
+   * @brief Basic scheduler context.
+   */
+  Scheduler_Context Base;
+
+  /**
+   * @brief The chain of scheduled nodes.
+   */
+  Chain_Control Scheduled;
+
+  /**
+   * @brief Chain of the available idle threads.
+   *
+   * Idle threads are used for the scheduler helping protocol.  It is crucial
+   * that the idle threads preserve their relative order.  This is the case for
+   * this priority based scheduler.
+   */
+  Chain_Control Idle_threads;
+} Scheduler_SMP_Context;
+
+/**
+ * @brief SMP scheduler node states.
+ */
+typedef enum {
+  /**
+   * @brief This scheduler node is blocked.
+   *
+   * A scheduler node is blocked if the corresponding thread is not ready.
+   */
+  SCHEDULER_SMP_NODE_BLOCKED,
+
+  /**
+   * @brief The scheduler node is scheduled.
+   *
+   * A scheduler node is scheduled if the corresponding thread is ready and the
+   * scheduler allocated a processor for it.  A scheduled node is assigned to
+   * exactly one processor.  The count of scheduled nodes in this scheduler
+   * instance equals the processor count owned by the scheduler instance.
+   */
+  SCHEDULER_SMP_NODE_SCHEDULED,
+
+  /**
+   * @brief This scheduler node is ready.
+   *
+   * A scheduler node is ready if the corresponding thread is ready and the
+   * scheduler did not allocate a processor for it.
+   */
+  SCHEDULER_SMP_NODE_READY
+} Scheduler_SMP_Node_state;
+
+/**
+ * @brief Scheduler node specialization for SMP schedulers.
+ */
+typedef struct {
+  /**
+   * @brief Basic scheduler node.
+   */
+  Scheduler_Node Base;
+
+  /**
+   * @brief The state of this node.
+   */
+  Scheduler_SMP_Node_state state;
+
+  /**
+   * @brief The current priority of thread owning this node.
+   */
+  Priority_Control priority;
+} Scheduler_SMP_Node;
+
+void _Scheduler_SMP_Start_idle(
+  const Scheduler_Control *scheduler,
+  Thread_Control          *idle,
+  struct Per_CPU_Control  *cpu
+);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _RTEMS_SCORE_SCHEDULERSMP_H */